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Ukončeno v akademickém roce 2020/2021

Fluid Mechanisms

Type of study Bachelor
Language of instruction Czech
Code 338-0302/03
Abbreviation TMech
Course title Fluid Mechanisms
Credits 4
Coordinating department Department of Hydromechanics and Hydraulic Equipment
Course coordinator doc. Dr. Ing. Lumír Hružík

Osnova předmětu

The program of lectures
Week Lectures
1 Basic concepts. Hydraulic circuit: structure, function diagrams. Basic
hydraulic circuits.
2 Basics of the theory of hydraulic circuits.
3 Hydraulic fluids.
4 Hydraulic pumps and motors.
5 Directional control valves. Check valves. Flow conrol valves. Pressure control valves. Accumulators.
6 Proportional technology and servo technology.
7 Hydraulic power: structure, characteristics, control, application.
8 Pneumatic actuators and pneumatic control systems of machines.
9 Principles of operation, maintenance and diagnostics of hydraulic and pneumatic
mechanisms.

Program of exercises and seminars + individual students' work

Week Refill exercises and seminars
1 Review of Fluid mechanics.
2 Graphic symbols of the elements.
3 Scheme of hydraulic circuits. Test No. 1: Graphic symbols of the elements. To test
can receive up to 10 points.
4 Calculation of the hydraulic circuit in the steady state.
5 Calculation of pressure and flow losses: Project No. 1 Calculation of pressure
losses in the circuit. The project can receive up to 10 points.
6 Project No. 2 Measurement of p-Q characteristics of the pump. The project
can receive up to 7 points. Project No. 3 Measurement characteristics of the valve. For
project can receive up to 7 points.
7 Circuits with flow control valves.
8 Types of pneumatic circuits - use of stand.
9 Credits

List of questions to test

1 Calculation of pressure losses in the circuit.
2 Fluids for hydraulic circuits: the properties
3 Fluids for hydraulic circuits: types of liquids, use
4 Hydraulic gear pumps, vane pumps.
5 Radial piston pumps, axial piston pumps.
6 Hydraulic cylinders. Seals of cylinders.
7 Directional control valves. Check valves.
8 Flow conrol valves. Pressure control valves.
9 Hydraulic accumulators, application in circuits.
10 Proportional technology.
11 Servo technology.
12 Filter and filtration technology.
13 Hydraulic drive of machines: structure of drive, steady-state drive, acceleration and braking of drive.
14 Pneumatic circuits: resources, treatment and distribution of compressed air.
15 Pneumatic circuits: control of motors, control systems.

Povinná literatura

[1] FOJTÁŠEK, K., HRUŽÍK, L., BUREČEK, A., STONAWSKI, E., DVOŘÁK, L., VAŠINA, M.: Fluid Mechanisms - Hydraulic Mechanisms, VŠB-TU Ostrava, 2022, 227 s. Available at: https://www.fs.vsb.cz/338/cs/studium/skripta/
[2] FOJTÁŠEK, K., HRUŽÍK, L., DVOŘÁK, L, BUREČEK, A., STONAWSKI, E., VAŠINA, M.: Fluid Mechanisms - Practical Tasks and Basics of Pneumatics, VŠB-TU Ostrava, 2022, 167 s. Available at: https://www.fs.vsb.cz/338/cs/studium/skripta/
[3] EXNER, H. et al. Hydraulics, Basic Principles and Components. Würzburg, Germany: Bosch Rexroth AG., 2011. 326 p. ISBN 978-3-9814879-3-0 .
[4] GÖTZ, W. Hydraulics. Theory and Applications. Ditzingen, Germany: OMEGON, 1998. 291 s. ISBN 3-980-5925-3-7.
[5] DODDANNAVAR, RAVI BARNARD, ANDRIES. (2005). Practical Hydraulic Systems - Operation and Troubleshooting for Engineers and Technicians. Elsevier. Online version available at:
https://app.knovel.com/web/toc.v/cid:kpPHSOTET2/viewerType:toc

Doporučená literatura

[1] EWALD, R. et al. Proportional and Servo-valve Technology. Lohr am Main, Germany: Bosch Rexroth AG, 2003. 300 p.
[2] HEHN, H. et al. Fluid Power Troubleshooting. New York : Marcel Dekker. 1995. 647 p. ISBN 0-8247-9275-0.
[3] MANRING. (2005). Hydraulic Control Systems. John Wiley & Sons. Online version available at:
https://app.knovel.com/web/toc.v/cid:kpHCS0000E/viewerType:toc
SMC - eLEARNING. available from https://digital.smctraining.com/?lang=cs (username and password will be assigned by teacher, Pneumatic Systems module, Hydraulics module)
Another study support - https://www.fs.vsb.cz/338/cs/studium/studijni-opory/